Results 11 to 20 of about 32,778 (264)
Yankuang ceshi, 2018 BACKGROUND The Zhelande gold deposit is an important orogenic gold deposit in the Irtysh tectonic belt. This deposit is hosted in the ductile shear zone.
LIU Guo-ren +6 more
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Geochemical features of soils from the Mid-Ural ore deposit [PDF]
E3S Web of Conferences, 2020 This paper deals with the contemporary state of soil cover around the Mid-Ural iron ore deposit, focusing on geochemical features. Sample plots were laid based on the technogenic impact in the study area.
Dziuba Ekaterina +3 more
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Gold deposits in the Earth's history [PDF]
Геология рудных месторождений, 2019 The distribution of the main gold deposits in the history of the Earth is considered. Primary heterogeneity of the Archean crust by gold bearing is shown. The main gold ore metallogenic epochs are characterized. Links of gold deposits with VMS and Cu-Ni in the early periods of the Earth (Archaean-Proterozoic) and, in addition, with deposits of W, Mo ...
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Characteristics of native gold at Kosumnerskoe placer gold deposit (the Nether-Polar Urals)
Известия высших учебных заведений: Геология и разведка, 2018 The paper presents the results of a study of heavy mineral concentrates of Kosumnerskoe gold deposit as well as the native gold from them. This gold deposit includes two gravel deposits.
M. A. Boguslavskiy, S. O. Khudyakov
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Mineralogical Factors Affecting Beneficiation-Metallurgy of a Gold Deposit in Africa
Kuangchan zonghe liyong, 2023 This is an essay in the field of process mineralogy. Systematic process mineralogy has been done in this study, focusing on a gold deposit in Africa, using automatic mineral analysis system (i.e. AMICS, MLA) combined with optical microscopy.
Lei Li +4 more
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Andean Geology, 2021 A review of gold and gold bearing base metals deposits in Chile, indicate the existence of at least six different type of ore deposits, most largely formed during the Cenozoic with predominance in the Miocene. Mesozoic deposits are common but less relevant regarding their size and gold content. These hydrothermal ore deposits are genetically associated
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Multistage gold deposition in the Archaean Maria Lázara gold deposit (Goiás, Brazil)
Mineralium Deposita, 1994 The Maria Lazara gold deposit in the Archaean Guarinos greenstone belt, central Brazil, consists of quartz-carbonate veins formed in a ductile shear zone. Study of the sulphides and gold-bearing quartz-carbonate veins and veinlets of the potassic hydrothermal alteration zone reveals two stages of ore paragenesis.
Michel, D. +3 more
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Journal of Economic Geology, 2010 Barika gold (and silver) rich massive sulfide deposit is located 18 km east of Sardasht, north western part of Sanandaj-Sirjan metamorphic zone. Rock units outcropped in this area are Cretaceous metamorphosed volcano-sedimentary rocks in green schist ...
Hossein Ali Tajeddin +3 more
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FEATURES OF MORPHOLOGY AND CHEMICAL COMPOSITION OF NATIVE GOLD FROM THE MURTYKTY DEPOSIT, SOUTH URALS [PDF]
Минералогия, 2021 The morphology and chemical composition of native gold from the Murtykty deposit (South Urals) are discussed in the paper. Native gold is subdivided into five types: 1) inclusions in sulfides, 2) grains in fractures and interstices of pyrite and other ...
N.S. Chukhareva +5 more
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Kuangchan zonghe liyong[Objective] Orogenic gold deposit is widely developed in the Daduhe gold metallogenic belt. The Yizhuxiang gold deposit is one of the representative medium-sized deposits in the Daduhe gold metallogenic belt.
Haijun ZHANG +6 more
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